There is a lot of talk upstairs, but it is very difficult to do it and stick to it. Skipping rope just helps the whole body exercise. You've lost 30 pounds in two months, and it's not good for you to be eager for success now. If you are a girl, you just need to be in good shape. If you want to be a star, your body will definitely collapse. "The front is outstanding, and the back will suffer." Don't be like them.